<!DOCTYPE html>
<html>
<body>

<p>Example list:</p>

<ul>
  <li id="myLI">Coffee</li>
  <li>Tea</li>
</ul>

<p>Click the button to get the node name of the parent node of the li element in the list.</p>

<button onclick="myFunction()">Try it</button>

<p id="demo"></p>

<script>
function myFunction() {
  var x = document.getElementById("myLI").parentElement.tagName;
  window.alert(x);
}
</script>

</body>
</html>